Home / 189,378,129.45-261,522,311.24-179,060,939.94

Finding the Fourth Proportional to 189,378,129.45, 261,522,311.24 and 179,060,939.94

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Solution

The fourth proportional to 189,378,129.45, 261,522,311.24 and 179,060,939.94 is: 247,274,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,378,129.45 : 261,522,311.24 = 179,060,939.94 : x
  2. Step 2: Convert to fraction form
    189,378,129.45/261,522,311.24 = 179,060,939.94/x
  3. Step 3: Cross multiply
    189,378,129.45x = 261,522,311.24 × 179,060,939.94
  4. Step 4: Simplify right side
    189,378,129.45x = 46,828,430,865,020,328
  5. Step 5: Solve for x
    x = 46,828,430,865,020,328/189,378,129.45
  6. Step 6: Final answer
    x = 247,274,756.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.